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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,850 | 23,017 | 23,017 |
| 2006 | $40,914 | 26,420 | 26,420 |
| 2007 | $43,760 | 21,870 | 21,870 |
| 2008 | $62,648 | 32,038 | 32,038 |
| 2009 | $49,618 | 23,905 | 23,905 |
| 2010 | $32,408 | 17,262 | 17,262 |
| 2011 | $54,995 | 27,443 | 27,443 |
Note: Quantity represents Weight in kilograms
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